53369731 has 2 divisors, whose sum is σ = 53369732. Its totient is φ = 53369730.

The previous prime is 53369671. The next prime is 53369737. The reversal of 53369731 is 13796335.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53369731 is a prime.

It is a super-2 number, since 2×53369731² = 5696656374024722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53369737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26684865 + 26684866.

It is an arithmetic number, because the mean of its divisors is an integer number (26684866).

Almost surely, 2^53369731 is an apocalyptic number.

53369731 is a deficient number, since it is larger than the sum of its proper divisors (1).

53369731 is an equidigital number, since it uses as much as digits as its factorization.

53369731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 37.

The square root of 53369731 is about 7305.4589862650. The cubic root of 53369731 is about 376.5000208697.

The spelling of 53369731 in words is "fifty-three million, three hundred sixty-nine thousand, seven hundred thirty-one".